Color

#13a5aa

#13a5aa
hex#13a5aa
rgbrgb(19, 165, 170)
hslhsl(182, 80%, 37%)
oklchoklch(0.657 0.109 198.7)
Closest name: Baltic (#279d9f)Relative luminance 0.2995

Colors that go with #13a5aa

Charcoal, Tomato and Crimson lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Real palettes that use #13a5aa

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#aa1813

#13aa63 · #1359aa

#aa13a5 · #a5aa13

Split-complementary

Open in tool →

#aa1359 · #aa6313

#6313aa · #aa1813 · #59aa13

Contrast

#13a5aa as textRatioAAAA largeAAAFix
Aaon white
3:1failpassfail
  • AA: use #0f8185 as the text (4.67:1)
  • AAA: use #0b6265 as the text (7.12:1)
  • AA: or shift the background to #2e2e2e (4.52:1)
Aaon black
6.99:1passpassfail
  • AAA: use #13a9ae as the text (7.31:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #13a5aa as the background.

Brands using this color

Fonts for this mood

#13a5aa reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #13a5aa
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #13a5aa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/13a5aa-a2babe-d45990-1f272d-e9f1ee?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md